Used primarily as a key intermediate in peptide synthesis, this compound enables the protection of amino groups during solid-phase peptide assembly. Its fluorenylmethyloxycarbonyl (Fmoc) group allows for mild base-induced deprotection, making it ideal for building complex peptides with high purity. Widely applied in pharmaceutical research and development, especially in synthesizing bioactive peptides and protein mimetics. Also employed in the production of diagnostic agents and in combinatorial chemistry for drug discovery.